DE69034026D1 - Taktjitter-Korrekturschaltungen zur Regenerierung von Taktsignalen mit Jitter - Google Patents
Taktjitter-Korrekturschaltungen zur Regenerierung von Taktsignalen mit JitterInfo
- Publication number
- DE69034026D1 DE69034026D1 DE69034026T DE69034026T DE69034026D1 DE 69034026 D1 DE69034026 D1 DE 69034026D1 DE 69034026 T DE69034026 T DE 69034026T DE 69034026 T DE69034026 T DE 69034026T DE 69034026 D1 DE69034026 D1 DE 69034026D1
- Authority
- DE
- Germany
- Prior art keywords
- jitter
- clock
- regenerating
- correction circuits
- clock signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001172 regenerating effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F5/06—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
- H04J3/076—Bit and byte stuffing, e.g. SDH/PDH desynchronisers, bit-leaking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2205/00—Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F2205/06—Indexing scheme relating to groups G06F5/06 - G06F5/16
- G06F2205/061—Adapt frequency, i.e. clock frequency at one side is adapted to clock frequency, or average clock frequency, at the other side; Not pulse stuffing only
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2205/00—Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F2205/12—Indexing scheme relating to groups G06F5/12 - G06F5/14
- G06F2205/123—Contention resolution, i.e. resolving conflicts between simultaneous read and write operations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/439,097 US5033064A (en) | 1988-12-09 | 1989-11-17 | Clock dejitter circuit for regenerating DS1 signal |
PCT/US1990/006742 WO1991007830A1 (en) | 1989-11-17 | 1990-11-16 | Clock dejitter circuits for regenerating jittered clock signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69034026D1 true DE69034026D1 (de) | 2003-01-23 |
DE69034026T2 DE69034026T2 (de) | 2003-09-25 |
Family
ID=23743279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69034026T Expired - Fee Related DE69034026T2 (de) | 1989-11-17 | 1990-11-16 | Taktjitter-Korrekturschaltungen zur Regenerierung von Taktsignalen mit Jitter |
Country Status (6)
Country | Link |
---|---|
US (2) | US5033064A (de) |
EP (1) | EP0579595B1 (de) |
JP (1) | JPH05503195A (de) |
CA (1) | CA2068867C (de) |
DE (1) | DE69034026T2 (de) |
WO (1) | WO1991007830A1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5033064A (en) * | 1988-12-09 | 1991-07-16 | Transwitch Corporation | Clock dejitter circuit for regenerating DS1 signal |
US5297180A (en) * | 1989-11-17 | 1994-03-22 | Transwitch Corporation | Digital clock dejitter circuits for regenerating clock signals with minimal jitter |
US5157655A (en) * | 1990-10-31 | 1992-10-20 | Transwitch Corp. | Apparatus for generating a ds-3 signal from the data component of an sts-1 payload signal |
GB9024084D0 (en) * | 1990-11-06 | 1990-12-19 | Int Computers Ltd | First-in-first-out buffer |
JP2723699B2 (ja) | 1991-07-31 | 1998-03-09 | 日本電気株式会社 | Tu−3ポインター付替処理方式 |
JP2888022B2 (ja) * | 1992-04-02 | 1999-05-10 | 三菱電機株式会社 | 通信制御装置 |
US5691976A (en) * | 1992-04-02 | 1997-11-25 | Applied Digital Access | Performance monitoring and test system for a telephone network |
DE4238090C1 (de) * | 1992-11-11 | 1994-03-03 | Siemens Ag | Verfahren und Anordnung zur Rückgewinnung von in Funktionsdatenblöcken übertragenen plesiochronen Signalen |
US5784377A (en) * | 1993-03-09 | 1998-07-21 | Hubbell Incorporated | Integrated digital loop carrier system with virtual tributary mapper circuit |
US5367534A (en) * | 1993-06-16 | 1994-11-22 | Universal Data Systems, Inc. | Synchronous flow control method |
ES2102938B1 (es) * | 1994-03-28 | 1998-04-16 | Alcatel Standard Electrica | Sistema de reduccion de fluctuaciones de fase en demultiplexores digitales. |
DE4412060C1 (de) * | 1994-04-07 | 1995-02-23 | Siemens Ag | Anordnung zur Rückgewinnung eines plesiochronen Digitalsignals |
US5548534A (en) * | 1994-07-08 | 1996-08-20 | Transwitch Corporation | Two stage clock dejitter circuit for regenerating an E4 telecommunications signal from the data component of an STS-3C signal |
JPH11502394A (ja) * | 1996-01-12 | 1999-02-23 | フィリップス、エレクトロニクス、ネムローゼ、フェンノートシャップ | 広帯域デジタル情報信号を送信するための送信機とその方法、及び受信機 |
US6064706A (en) * | 1996-05-01 | 2000-05-16 | Alcatel Usa, Inc. | Apparatus and method of desynchronizing synchronously mapped asynchronous data |
CN1061193C (zh) * | 1996-09-13 | 2001-01-24 | 清华大学 | 双自法频率预测恢复收端支路时钟的方法及装置 |
US6205182B1 (en) * | 1998-02-25 | 2001-03-20 | Cisco Technology, Inc. | Encoding a clock signal and a data signal into a single signal for distribution in a signal forwarding device |
US6647502B1 (en) * | 1999-07-13 | 2003-11-11 | Sony Corporation | Method and apparatus for providing power based on the amount of data stored in buffers |
US6356550B1 (en) | 1999-07-30 | 2002-03-12 | Mayan Networks Corporation | Flexible time division multiplexed bus using sonet formatting |
CN1307406A (zh) | 2000-01-27 | 2001-08-08 | 华为技术有限公司 | 数字锁相环的滤波方法 |
US6577651B2 (en) * | 2001-01-24 | 2003-06-10 | Transwitch Corp. | Methods and apparatus for retiming and realigning sonet signals |
US6463111B1 (en) | 2001-05-25 | 2002-10-08 | Transwitch Corporaton | Method and apparatus for desynchronizing a DS-3 signal and/or an E3 signal from the data portion of an STS-STM payload |
CN1330095C (zh) * | 2003-04-14 | 2007-08-01 | 中兴通讯股份有限公司 | 实现e1/t1去抖动的单晶振数字锁相环装置 |
US7349444B2 (en) * | 2004-08-23 | 2008-03-25 | Transwitch Corporation | SONET/SDH SPE/virtual container retiming with adaptive dual pointer leak rate computation |
CN104219015B (zh) * | 2013-06-03 | 2018-05-25 | 中兴通讯股份有限公司 | 一种sdh中支路信号的时钟和数据恢复方法及装置 |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2136930B2 (de) * | 1970-05-14 | 1976-10-07 | Zusatzzu:20 23 656 Krone GmbH, 1000 Berlin | Verfahren zur empfangsseitigen rueckgewinnung der plesiochronen primaertakte mehrerer sendeseitig zu einem zeitvielfach hoeherer ordnung zusammengefasster primaerer zeitvielfachsysteme und schaltungsanordnung zur durchfuehrung des verfahrens |
DE2023656B2 (de) * | 1970-05-14 | 1975-11-13 | Krone Gmbh, 1000 Berlin | Verfahren zur empfangsseitigen Rückgewinnung der plesiochronen Primärtakte mehrerer sendeseitig zu einem Zeitvielfach höherer Ordnung zusammengefaßter primärer Zeitvielfachsysteme |
US4053715A (en) * | 1976-03-22 | 1977-10-11 | Trw Inc. | Stuffing channel unit for telephone pcm system |
DE2644689A1 (de) * | 1976-10-02 | 1978-04-06 | Tekade Felten & Guilleaume | Verfahren zur erzeugung eines niederfrequenten taktes aus einem hoeherfrequenten takt |
US4159535A (en) * | 1978-01-23 | 1979-06-26 | Rockwell International Corporation | Framing and elastic store circuit apparatus |
US4551830A (en) * | 1984-03-19 | 1985-11-05 | Rockwell International Corporation | Apparatus for providing loopback of signals where the signals being looped back have an overhead data format which is incompatible with a high speed intermediate carrier overhead format |
FR2562368B1 (fr) * | 1984-04-02 | 1989-07-28 | Cit Alcatel | Reseau de connexion spatial pour signaux numeriques a haut debit |
US4644535A (en) * | 1984-04-26 | 1987-02-17 | Data General Corp. | PCM channel multiplexer/demultiplexer |
US4771426A (en) * | 1984-07-20 | 1988-09-13 | Unisys Corporation | Isochronous clock reconstruction |
US4613969A (en) * | 1984-11-05 | 1986-09-23 | Gte Communication Systems Corporation | Method for controlling a multistage space switching network |
US4685101A (en) * | 1984-12-20 | 1987-08-04 | Siemens Aktiengesellschaft | Digital multiplexer for PCM voice channels having a cross-connect capability |
US4697262A (en) * | 1984-12-20 | 1987-09-29 | Siemens Aktiengesellschaft | Digital carrier channel bus interface module for a multiplexer having a cross-connect bus system |
JP2565184B2 (ja) * | 1985-02-28 | 1996-12-18 | ソニー株式会社 | 信号選択回路 |
US4674088A (en) * | 1985-03-07 | 1987-06-16 | Northern Telecom Limited | Method and apparatus for detecting frame synchronization |
CA1232693A (en) * | 1985-09-05 | 1988-02-09 | Alan F. Graves | Network multiplex structure |
US4731878A (en) * | 1985-11-29 | 1988-03-15 | American Telephone And Telegraph Company, At&T Bell Laboratories | Self-routing switch node combining electronic and photonic switching |
US4658152A (en) * | 1985-12-04 | 1987-04-14 | Bell Communications Research, Inc. | Adaptive rate multiplexer-demultiplexer |
EP0232437B1 (de) * | 1985-12-04 | 1990-06-13 | International Business Machines Corporation | Multiplexschnittstelle für eine Übertragungssteuerung |
US4719624A (en) * | 1986-05-16 | 1988-01-12 | Bell Communications Research, Inc. | Multilevel multiplexing |
US4852128A (en) * | 1986-07-23 | 1989-07-25 | Optical Communications Corp. | Optical communications transmitter and receiver |
US4935921A (en) * | 1986-09-30 | 1990-06-19 | Nec Corporation | Cross-connection network using time switch |
US4834483A (en) * | 1987-05-06 | 1989-05-30 | Bell Communications Research, Inc. | Fast optical cross-connect for parallel processing computers |
US4807280A (en) * | 1987-09-18 | 1989-02-21 | Pacific Bell | Cross-connect switch |
US4855999A (en) * | 1987-11-10 | 1989-08-08 | Bell Communications Research, Inc. | DTDM multiplexer with cross-point switch |
US4833673A (en) * | 1987-11-10 | 1989-05-23 | Bell Communications Research, Inc. | Time division multiplexer for DTDM bit streams |
US4899333A (en) * | 1988-03-31 | 1990-02-06 | American Telephone And Telegraph Company At&T Bell Laboratories | Architecture of the control of a high performance packet switching distribution network |
US4914429A (en) * | 1988-12-09 | 1990-04-03 | Transwitch Corp. | Switch components and multiple data rate non-blocking switch network utilizing the same |
US5033064A (en) * | 1988-12-09 | 1991-07-16 | Transwitch Corporation | Clock dejitter circuit for regenerating DS1 signal |
US4928275A (en) * | 1989-05-26 | 1990-05-22 | Northern Telecom Limited | Synchronization of asynchronous data signals |
-
1989
- 1989-11-17 US US07/439,097 patent/US5033064A/en not_active Expired - Lifetime
-
1990
- 1990-11-16 WO PCT/US1990/006742 patent/WO1991007830A1/en active IP Right Grant
- 1990-11-16 DE DE69034026T patent/DE69034026T2/de not_active Expired - Fee Related
- 1990-11-16 CA CA002068867A patent/CA2068867C/en not_active Expired - Fee Related
- 1990-11-16 JP JP3501491A patent/JPH05503195A/ja active Pending
- 1990-11-16 EP EP91901141A patent/EP0579595B1/de not_active Expired - Lifetime
-
1992
- 1992-05-13 US US07/857,928 patent/US5289507A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5033064A (en) | 1991-07-16 |
CA2068867A1 (en) | 1991-05-18 |
WO1991007830A1 (en) | 1991-05-30 |
US5289507A (en) | 1994-02-22 |
CA2068867C (en) | 2000-04-11 |
EP0579595B1 (de) | 2002-12-11 |
EP0579595A4 (de) | 1993-01-22 |
JPH05503195A (ja) | 1993-05-27 |
EP0579595A1 (de) | 1994-01-26 |
DE69034026T2 (de) | 2003-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |